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Re: urndis0 works on amd64-8.0 but not on evbarm-current



Le 2019-05-10 08:21, sc dying a écrit :
On Fri, May 10, 2019 at 6:08 AM Mayuresh <mayuresh%acm.org@localhost> wrote:

On Fri, May 10, 2019 at 06:05:34AM +0000, sc dying wrote:
> Attached files look bogus, I'll resend.

Due to some other compulsions (a lot of pkgs that I need not building
under current, discussed on various threads) I reverted my environment to
8.0.

Is there any possibility to try things on 8.0?

8.0 looks like having same problems and I think the patches can be
applied.

I had the same problem on 8.1, then I tried HEAD. I applied the patches (with a slight modification) and it seems to work:
$ uname -rms
NetBSD 9.99.32 evbarm

The device is attached correctly when plugged:
ugen0 at uhub1 port 2
ugen0: LGE (0x18d1) Nexus 5 (0x4ee1), rev 2.00/2.32, addr 6

But it is detached when I activate the connection sharing via USB:
ugen0: detached
ugen0: at uhub1 port 2 (addr 6) disconnected

I have to physically unplug the device, to re-plug it and to activate the connection sharing to make it working:
ugen0 at uhub1 port 2
ugen0: LGE (0x18d1) Nexus 5 (0x4ee1), rev 2.00/2.32, addr 6
ugen0: detached
ugen0: at uhub1 port 2 (addr 6) disconnected
urndis0 at uhub1 port 2 configuration 1 interface 0
urndis0: LGE (0x18d1) Nexus 5 (0x4ee3), rev 2.00/2.32, addr 6
urndis0: Ethernet address 66:41:fa:b0:f0:d3
Index: dev/usb/if_urndis.c
===================================================================
RCS file: /cvsroot/src/sys/dev/usb/if_urndis.c,v
retrieving revision 1.34
diff -u -r1.34 if_urndis.c
--- dev/usb/if_urndis.c	31 Oct 2019 11:59:40 -0000	1.34
+++ dev/usb/if_urndis.c	3 Jan 2020 19:04:34 -0000
@@ -111,14 +111,17 @@
     uint16_t index, uint16_t value, void *buf, size_t buflen)
 {
 	usb_device_request_t req;
+	uint16_t flags;
 
 	req.bmRequestType = rt;
+	flags = (UT_GET_DIR(rt) & UT_READ) ? USBD_SHORT_XFER_OK : 0;
 	req.bRequest = r;
 	USETW(req.wValue, value);
 	USETW(req.wIndex, index);
 	USETW(req.wLength, buflen);
 
-	return usbd_do_request(un->un_udev, &req, buf);
+	return usbd_do_request_flags(un->un_udev, &req, buf, flags, NULL,
+	    USBD_DEFAULT_TIMEOUT);
 }
 
 static usbd_status
Index: external/bsd/dwc2/dwc2.c
===================================================================
RCS file: /cvsroot/src/sys/external/bsd/dwc2/dwc2.c,v
retrieving revision 1.66
diff -u -r1.66 dwc2.c
--- external/bsd/dwc2/dwc2.c	4 Dec 2019 06:28:35 -0000	1.66
+++ external/bsd/dwc2/dwc2.c	3 Jan 2020 19:04:49 -0000
@@ -1525,11 +1525,13 @@
 				 i, urb->iso_descs[i].status);
 	}
 
+#if 0
 	if (!status) {
 		if (!(xfer->ux_flags & USBD_SHORT_XFER_OK) &&
 		    xfer->ux_actlen < xfer->ux_length)
 			status = -EIO;
 	}
+#endif
 
 	switch (status) {
 	case 0:


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